Where: Libya (29.7° N, 17.7° E: paleocoordinates 25.6° N, 14.2° E)
• coordinate stated in text
• basin-level geographic resolution
When: Thmed Al Qusur Member (Wadi Thamat Formation), Priabonian (38.0 - 33.9 Ma)
• LITHOSTRATIGRAPHIC RELATIONSHIPS: From the Thmed Al Qusur Mbr of the Wadi Thamat Fm, which overlies the Al Gata (Lutetian) and is overlain by the Qararat Al Jifah Mbr of the Wadi Thamat Fm (Priabonian). AGE: Priabonian, on the basis of macrofossil biostratigraphy. THICKNESS: varies from 35-40 m across its range.
• member-level stratigraphic resolution
Environment/lithology: lagoonal or restricted shallow subtidal; lithified, brown, white, yellow, cherty/siliceous limestone
Size classes: macrofossils, microfossils
Collection methods: surface (in situ),
• COLLECTORS: Not stated, possibly multiple collectors. REPOSITORY: Unknown.
Primary reference: M. F. Megerisi and V. D. Mamgain. 1980. The Upper Cretaceous-Tertiary Formations of northern Libya: a synthesis. Department of Geological Researches and Mining Bulletin 12:1-85 [A. Hendy/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 77236: authorized by Austin Hendy, entered by Austin Hendy on 06.01.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
Cidaris sp. Leske 1778 pencil urchin | |
Gastropoda | |
? Gisortia sp. Jousseaume 1884 cowry | |
? Strombus sp., "Rostellaria mokattamensis" = Tibia
? Strombus sp. Linnaeus 1758 conch
"Rostellaria mokattamensis" = Tibia true conch | |
Bivalvia | |
Ostrea sp. Linnaeus 1758 oyster |